Cheapest one-way flights from Porto to Bilbao in October from $23

Best time to book flights for Porto (OPO) to Bilbao (BIO) flights at AirHint

AirHint found the following cheapest one-way flights from Porto (OPO) to Bilbao (BIO) in October 2025 (see full year).

One-Way flights

23 Oct Vueling Airlines direct
02 Oct Vueling Airlines direct
03 Oct Vueling Airlines direct
09 Oct Vueling Airlines direct
04 Oct Vueling Airlines direct
14 Oct Vueling Airlines direct
18 Oct Vueling Airlines direct
30 Oct Volotea direct
25 Oct Vueling Airlines direct
28 Oct Vueling Airlines direct

Also check the deals for return flights from Porto to Bilbao in October.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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